Home / 3,226.60-4,448.82-2,481.40

Finding the Fourth Proportional to 3,226.60, 4,448.82 and 2,481.40

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Solution

The fourth proportional to 3,226.60, 4,448.82 and 2,481.40 is: 3,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.60 : 4,448.82 = 2,481.40 : x
  2. Step 2: Convert to fraction form
    3,226.60/4,448.82 = 2,481.40/x
  3. Step 3: Cross multiply
    3,226.60x = 4,448.82 × 2,481.40
  4. Step 4: Simplify right side
    3,226.60x = 11,039,301.95
  5. Step 5: Solve for x
    x = 11,039,301.95/3,226.60
  6. Step 6: Final answer
    x = 3,421.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.